11505161150 has 24 divisors (see below), whose sum is σ = 24456686160. Its totient is φ = 3944626560.

The previous prime is 11505161149. The next prime is 11505161191. The reversal of 11505161150 is 5116150511.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16435595 + ... + 16436294.

It is an arithmetic number, because the mean of its divisors is an integer number (1019028590).

Almost surely, 2^11505161150 is an apocalyptic number.

11505161150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11505161150 is an abundant number, since it is smaller than the sum of its proper divisors (12951525010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11505161150 is a wasteful number, since it uses less digits than its factorization.

11505161150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32871908 (or 32871903 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 11505161150 in words is "eleven billion, five hundred five million, one hundred sixty-one thousand, one hundred fifty".